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3D Graphs: Good place to start?

I have been working through WebGL, and found some great tutorials on learningwebgl.com. They are good and slowly getting me up to speed, but I would like to explore creating a 3D scatter plot. I already some code to generate my matrix values with labels, etc. Here is a snippet of a matrix I generate using singular value decomposition:http://en.wikipedia.org/wiki/Singula..._decomposition

Each row in the matrix is an individual point I want to plot and label, and as you can see, it allows for negative values, so I may see data in 6 different quadrants. Any suggestions on how to start drawing a scatter plot graph like that and plotting the individual points?

Every example I see out there is about creating objects & shapes etc, but I am also interested in making a 3D graph that can be manipulated, pan, zoom, rotate, etc that cannot be done in most charting packages out there.

I figure I would need to draw a line on the X,Y,Z axis that intersects in the middle of the page, and make the min/max value on the tip of each line == to the min/max value of each corresponding column in my generated matrix. Finally plotting each row from the matrix within the grid.

Re: 3D Graphs: Good place to start?

I found this link to the old O3D sample code from 3 months before it became WebGL. So much changes on the nightly builds I don't know if any of it will be relevant, or if they updated these samples anywhere.